CN106861396A - The apparatus and method of peculiar smell and hydrogen sulfide in removal gas - Google Patents
The apparatus and method of peculiar smell and hydrogen sulfide in removal gas Download PDFInfo
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- CN106861396A CN106861396A CN201710301470.5A CN201710301470A CN106861396A CN 106861396 A CN106861396 A CN 106861396A CN 201710301470 A CN201710301470 A CN 201710301470A CN 106861396 A CN106861396 A CN 106861396A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
Abstract
The present invention proposes a kind of apparatus and method for removing peculiar smell and hydrogen sulfide in gas, belongs to environmental protection technical field, effectively can go to eliminate the unusual smell and hydrogen sulfide gas by the peculiar smell adsorption material of the high activity for preparing.The device includes four filters being sequentially connected with, it is provided with the filter element of each filter by carrying out the packing layer that different types of chemical surface modification is obtained to ordinary coke, gas can targetedly remove some of gas concrete component when passing sequentially through.The present invention can be applied in the elimination of peculiar smell and hydrogen sulfide gas in gas.
Description
Technical field
The invention belongs to environmental protection technical field, more particularly to a kind of device for removing peculiar smell and hydrogen sulfide in gas and
Method.
Background technology
At present, in garbage disposal and urban sewage purification production process, in anaerobic fermentation workshop section, often deposit in varying degrees
The phenomenon of peculiar smell and hydrogen sulfide is being produced, the gases containing stench sulphureous gases that sewage treatment plant and destructor plant loss go out belong to inorganization
Discharge class pollution, it can in the environment produce penetrating odor, so as to influence surrounding enviroment in air diffusion process.
China has carried out strict limitation, the exclusion of low concentration hydrogen sulphide to the hydrogen sulfide permission concentration of emission under varying environment
It is urgent problem.Although normal activated carbon is with larger specific surface area and various active groups, but activated carbon is made
For carrier carrys out adsorption cleaning gaseous contaminant, but separately as adsorbent, its adsorbance is less than normal, and selectivity is poor, it is impossible to meet
The requirement of high-efficient purification.Therefore, the performance to improve its absorption peculiar smell and hydrogen sulfide how is modified to activated carbon for this
It is particularly important for field.
The content of the invention
The invention provides a kind of apparatus and method for removing peculiar smell and hydrogen sulfide in gas, can be by preparing
The peculiar smell adsorption material of high activity effectively goes to eliminate the unusual smell and hydrogen sulfide gas.
In order to achieve the above object, it is the invention provides a kind of device for removing peculiar smell and hydrogen sulfide in gas including suitable
First filter of secondary connection, the second filter, the 3rd filter and the 4th filter, wherein：
The first filter element is provided with first filter, it is interior in first filter element to be provided with for removing gas
In particulate matter and the smell in partial adsorbates gas and moisture modified coke layer；
The second filter element is provided with second filter, it is interior in second filter element to be provided with for neutralizing gas
In acidic components and further in dry gas moisture alkaline modification coke layer；
The 3rd filter element is provided with 3rd filter, it is interior in the 3rd filter element to be provided with for oxidizing gas
The oxidation modification coke layer of middle peculiar smell；
The 4th filter element is provided with 4th filter, it is interior in the 4th filter element to be provided with for removing gas
The depriving hydrogen sulphide modified coke layer of middle hydrogen sulfide.
Used as optimal technical scheme, the bottom of first filter is provided with for gas to be distributed into the modified coke
Air distribution plate in layer.
As optimal technical scheme, back blow port, the bottom of first filter are provided with the top of first filter
Dust emission mouthful is provided with, the dust that the back blow port is used to be retained in first filter is arranged from the dust emission mouthful
Go out.
Present invention also offers a kind of method for removing peculiar smell and hydrogen sulfide in gas, comprise the following steps：
The gas that peculiar smell and hydrogen sulfide will be mixed with is passed through the first filter, using interior modified Jiao for setting in the first filter element
Particulate matter in layer of charcoal removal gas, and smell and moisture in partial adsorbates gas；
The gas for removing particulate matter is passed through the second filter, using the interior alkaline modification coke for setting in the second filter element
Layer neutralizes the acidic components in gas, and the further moisture in dry gas；
Gas in acidic components with after is passed through the 3rd filter, using the interior oxidation modification for setting in the 3rd filter element
Peculiar smell in coke layer oxidizing gas；
Gas after peculiar smell is aoxidized is passed through the 4th filter, using the depriving hydrogen sulphide modified coke in the 4th filter element
Hydrogen sulfide in layer removal gas.
As optimal technical scheme, the modified coke in modified coke layer be by by coke at 30 DEG C -50 DEG C
Under the conditions of be dipped in watery hydrochloric acid 1-3 hours after, be washed to neutrality, obtained in 150 DEG C of -200 DEG C of drying.
Used as optimal technical scheme, the alkaline modification coke in the alkaline modification coke layer is by by calcium oxide and carbon
Sour sodium is by weight 1：1 mixing, and the emulsion of 10%-30% is configured to water, it is then modified burnt to being added in the emulsion
Charcoal, and when emulsion is adhered to completely on the modified coke, obtained in 150 DEG C of -200 DEG C of drying.
Used as optimal technical scheme, the oxidation modification coke in the oxidation modification coke layer is by modified coke
The supersaturated aqueous solution of calcium hypochlorite is added, after being sufficiently stirred for, is obtained in being dried at 50 DEG C -60 DEG C.
Used as optimal technical scheme, the supersaturated aqueous solution of the calcium hypochlorite is with the liquid-solid ratio of the modified coke
0.1-0.2ml/g。
Used as optimal technical scheme, the depriving hydrogen sulphide modified coke in depriving hydrogen sulphide modified coke layer is by changing
Property coke in add 20%-25% zinc acetate solutions, be sufficiently stirred for, in after 100 DEG C of -105 DEG C of drying, then to the modified coke
10% acetic acid copper solution is sprayed on surface, then dries, until precipitation has mantoquita on the modified coke.
Used as optimal technical scheme, the zinc acetate solution is 0.2-0.5ml/g, institute with the liquid-solid ratio of the modified coke
It is 0.1-0.2ml/g that 10% acetic acid copper solution is stated with the liquid-solid ratio of the modified coke.
Compared with prior art, advantages and positive effects of the present invention are：
1st, the present invention carries out different types of chemical surface modification by ordinary coke, can increase the same of its surface area
When, its absorption, detergent power is improved, so as to prepare the peculiar smell adsorption material of high activity, and effectively go to eliminate the unusual smell and vulcanize
Hydrogen.
2nd, the present invention uses plural serial stage technique, while going to eliminate the unusual smell with hydrogen sulfide gas, can effectively reduce production
Cost.
Brief description of the drawings
The schematic diagram of the device of peculiar smell and hydrogen sulfide in the removal gas that Fig. 1 is provided by the embodiment of the present invention；
Another schematic diagram of the device of peculiar smell and hydrogen sulfide in the removal gas that Fig. 2 is provided by the embodiment of the present invention；
In the figures above：The filters of 1- first, the filters of 2- second, the filters of 3- the 3rd, the filters of 4- the 4th, 5- cloth wind
Plate, 6- back blow ports, 7- dust emissions mouthful, the filter elements of 8- first, the filter elements of 9- second, the filter elements of 10- the 3rd, 11- the
Four filter elements.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
As depicted in figs. 1 and 2, a kind of device for removing peculiar smell and hydrogen sulfide in gas, bag be the embodiment of the invention provides
The first filter 1, the second filter 2, the 3rd filter 3 and the 4th filter 4 being sequentially connected with are included, wherein：
The first filter element 8 is provided with first filter 1, it is interior in first filter element 8 to be provided with for removing
The modified coke layer of smell in particulate matter and partial adsorbates gas and moisture in gas；
The second filter element 9 is provided with second filter 2, it is interior in second filter element 9 to be provided with for neutralizing
The alkaline modification coke layer of moisture in acidic components and further dry gas in gas；
The 3rd filter element 10 is provided with 3rd filter 3, it is interior in the 3rd filter element 10 to be provided with for oxygen
Change the oxidation modification coke layer of peculiar smell in gas；
The 4th filter element 11 is provided with 4th filter 4, it is interior in the 4th filter element 11 to be provided with for going
Except the depriving hydrogen sulphide modified coke layer of hydrogen sulfide in gas.
A kind of device for removing peculiar smell and hydrogen sulfide in gas is the embodiment of the invention provides, is sequentially provided with the device
Four filters, and the filter element that can be used for peculiar smell and hydrogen sulfide in removal gas is respectively equipped with each filter, due to
Being provided with each filter element carries out the packing layer that different types of chemical surface modification is obtained to ordinary coke, it is possible to increase general
The adsorption cleaning surface area of logical coke simultaneously can targetedly remove some of gas concrete component, thus can improve absorption,
Detergent power, effectively goes to eliminate the unusual smell and hydrogen sulfide gas.
In the above-described embodiments, in order to the gas of purification to be adsorbed is equably distributed into in the first filter,
The bottom of the first filter 1 can be provided with the air distribution plate 5 for being distributed into gas in the modified coke layer.
Simultaneously as containing more impurity in the gas with adsorption cleaning, therefore the is distributed into by air distribution plate in gas
After one filter, in the first filter the impurity of absorption reach it is a certain amount of after, be easily deposited in the first filter, in this feelings
Under condition, back blow port 6 can be provided with the top of the first filter 1, be provided with dust emission mouthful 7 in the bottom of the first filter 1, then
Apply dust discharge from the dust emission mouthful 7 that air pressure will be retained in first filter 1 by back blow port 6.
It is understood that in the top and bottom of follow-up the second filter 2, the 3rd filter 3 and the 4th filter 4
Also back blow port and dust emission mouthful can be respectively provided with, so that gas does not pile up miscellaneous when each filter is passed through in each filter
Matter.But need exist for explanation, due to the modified coke layer that is set in the first filter can effective adsorbing contaminant particulate matter, because
This, when gas is entered into follow-up each filter by the first filter, gas impurity particle thing contained in itself is had
Effect is reduced, therefore, from the consideration of the simplifieds degree of device, can also be not used in the second follow-up filter 2, the 3rd filter 3 and the
Back blow port and dust emission mouthful are respectively provided with the top and bottom of four filters 4.The setting of back blow port and dust emission mouthful is
It is no to need those skilled in the art specifically to be adjusted to the structure of filter with reference to actual conditions.
Here it should be noted that, in order to the gas of purification to be adsorbed is effectively passed into each filter, whole
The front end of individual device can be set the compression pump (not shown) that promising gas provides pressure, can so make gas by the first filtering
After device, can choose at random and enter into enter in the second filter from the either above or below of the second filter according to the setting of pipeline
Row is refiltered, as depicted in figs. 1 and 2.
Meanwhile, the packing layer in order to be easy in each filter can be replaced effectively when utilizing to a certain extent, may be used also
Replacement window (not shown) is offered on the lateral wall of the filter element of each filter, so as to operating personnel couple can be easy to
It enters accommodating replacement.It is understood that how to open up replacement window on the lateral wall of filter element for ability
Field technique personnel are well known, and here is omitted.
On the other hand, a kind of method that the embodiment of the present invention additionally provides peculiar smell and hydrogen sulfide in removal gas, including with
Lower step：
S1：The gas that peculiar smell and hydrogen sulfide will be mixed with is passed through the first filter, using in the first filter element it is interior set change
Property coke layer removal gas in particulate matter, and smell and moisture in partial adsorbates gas；
S2：The gas for removing particulate matter is passed through the second filter, using the interior alkaline modification for setting in the second filter element
Acidic components in coke layer and in gas, and the further moisture in dry gas；
S3：Gas in acidic components with after is passed through the 3rd filter, using the interior oxidation for setting in the 3rd filter element
Peculiar smell in modified coke layer oxidizing gas；
S4：Gas after peculiar smell is aoxidized is passed through the 4th filter, is modified using the depriving hydrogen sulphide in the 4th filter element
Hydrogen sulfide in coke layer removal gas.
The above embodiment of the present invention provides a kind of method for removing peculiar smell and hydrogen sulfide in gas, and the method passes through will
The gas of purification to be adsorbed is passed into be respectively equipped with successively and can be used for the four of the filter element for removing peculiar smell and hydrogen sulfide in gas
In individual filter, gas is set to carry out different type chemical surface modification by ordinary coke by what is set in each filter element
After the packing layer for obtaining, some of gas concrete component can be targetedly removed, absorption, detergent power be improved, so that can
Effectively go to eliminate the unusual smell and hydrogen sulfide gas.
In a preferred embodiment, the modified coke in modified coke layer be by by coke at 30 DEG C -50 DEG C
Under the conditions of be dipped in watery hydrochloric acid 1-3 hours after, be washed to neutrality, obtained in 150 DEG C of -200 DEG C of drying.Mentioned in the present embodiment
The particle size range of coke is 3mm-20mm, and coke is soaked in the watery hydrochloric acid of 20%-30% concentration, can remove coke
In acid-solubility ash content while, increase coke surface product and reactivity；Further, the coke after immersion is washed into
Property, then dry 1-2 hours, it is the adsorption capacity and specific surface area that coke is further improved to remove the inherent moisture of coke,
So far the activation modification of ordinary coke is completed.It is understood that the method that the present embodiment is provided is in order to ordinary coke
Activation is modified, certainly, mentioned method is activation modification effect preferably more excellent method, but can be not limited thereto.
In a preferred embodiment, the alkaline modification coke in the alkaline modification coke layer is by by calcium oxide and carbon
Sour sodium is by weight 1：1 mixing, and the emulsion of 10%-30% is configured to water, it is then modified burnt to being added in the emulsion
Charcoal, and when emulsion is adhered to completely on the modified coke, obtained in 150 DEG C of -200 DEG C of drying.Mentioned in the present embodiment
Further addition basic component is obtained alkaline modification coke on the basis of modified coke, specifically, being by modified coke
Added to being configured in the basic component of emulsion, basic component calcium oxide and sodium carbonate is allowed to be deposited on modified coke, Ran Houzai
It is baked to 1-2 hours.Resulting alkaline modification coke has the ability for neutralizing acid gas components, can increase alkaline modification
The adsorption capacity of coke, so as to increase the adsorption capacity of system.
In a preferred embodiment, the oxidation modification coke in the oxidation modification coke layer is by modified coke
The supersaturated aqueous solution of calcium hypochlorite is added, after being sufficiently stirred for, is obtained in being dried at 50 DEG C -60 DEG C.Mentioned in the present embodiment
Oxidation modification coke on the basis of modified coke further addition oxidant constituents obtain, specifically, can be by secondary chlorine
The supersaturated aqueous solution that sour calcium is configured to 15% or so is added in modified coke, and drying is obtained for 1 hour.It is understood that
The calcium hypochlorite of 1.5%-3% can be added in modified coke, in this case, when the organic molecule in gas and secondary chlorine
When sour calcium is contacted, oxidable and decomposing organic matter scent molecule, so as to be conducive to the removal of smell.
In a preferred embodiment is entered, the supersaturated aqueous solution of the calcium hypochlorite is with the liquid-solid ratio of the modified coke
0.1-0.2ml/g.In order to the efficient oxidation organic matter scent molecule, the amount of calcium hypochlorite of the present embodiment to being added is carried out
Limit, specifically, it is 0.1-0.2ml/g with the liquid-solid ratio of modified coke.It is understood that those skilled in the art can
The liquid-solid ratio in above range is selected rationally to be added according to actual conditions.
In a preferred embodiment, the depriving hydrogen sulphide modified coke in depriving hydrogen sulphide modified coke layer is by changing
Property coke in add 20%-25% zinc acetate solutions, be sufficiently stirred for, in after 100 DEG C of -105 DEG C of drying, then to the modified coke
10% acetic acid copper solution is sprayed on surface, then dries, until precipitation has mantoquita on the modified coke.Mentioned in the present embodiment
Further addition depriving hydrogen sulphide component is obtained depriving hydrogen sulphide modified coke on the basis of modified coke, specifically, first will
Modified coke is added in zinc acetate solution, makes first to be precipitated on modified coke the zinc salt for having 4%-10%, then again to its surface
Sprinkling acetic acid copper solution, makes its surface reprecipitation have the mantoquita of 1%-2%, and modified coke can be made to have good removing hydrogen sulfide
Function, so that 2 S component contained in can effectively removing gas.
In a preferred embodiment is entered, the zinc acetate solution is 0.2-0.5ml/g with the liquid-solid ratio of the modified coke,
The 10% acetic acid copper solution is 0.1-0.2ml/g with the liquid-solid ratio of the modified coke.In order in effectively removal gas
Contained 2 S component, the present embodiment is defined to the zinc acetate and the amount of acetic acid copper solution that are added, specifically, vinegar
The liquid-solid ratio of sour zinc solution and modified coke is 0.2-0.5ml/g, the liquid of the 10% acetic acid copper solution and the modified coke
Gu than being 0.1-0.2ml/g.It is understood that those skilled in the art can select the liquid in above range according to actual conditions
Gu ratio is rationally added.
In order to become apparent from introducing in detail the device of peculiar smell and hydrogen sulfide in the removal gas that the embodiment of the present invention is provided
And method, it is described below in conjunction with specific embodiment.
Embodiment 1
The garbage processes workshop of certain destructor plant, garbage, the sky in production environment are processed using fermentation method
Peculiar smell is unpleasant in gas, and the gas collection that garbage processes workshop is discharged simultaneously is passed through the dress that the above embodiment of the present invention is provided
Postpone, gas sequentially passes through each filter and filtered, gas peculiar smell can be made effectively to be eliminated, so that between operative
In production environment ensured.
Embodiment 2
There is peculiar smell certain sewage treatment plants anaerobic zone, and concentration of hydrogen sulfide is every cubic metre of 15-30 milligrams, by anaerobic zone
The gas collection of discharge and after being passed through the device that the above embodiment of the present invention is provided, gas sequentially passes through each filter and carries out
After filtering, the peculiar smell in air is eliminated, and concentration of hydrogen sulfide is down to less than 3 milligrams every cubic metre.
Claims (10)
1. a kind of device for removing peculiar smell and hydrogen sulfide in gas, it is characterised in that including the first filter, that are sequentially connected with
Tow filtrator, the 3rd filter and the 4th filter, wherein：
The first filter element is provided with first filter, it is interior in first filter element to be provided with for removing gas
The modified coke layer of smell and moisture in particulate matter and partial adsorbates gas；
The second filter element is provided with second filter, it is interior in second filter element to be provided with for neutralizing gas
The alkaline modification coke layer of moisture in acidic components and further dry gas；
The 3rd filter element is provided with 3rd filter, it is interior in the 3rd filter element to be provided with for different in oxidizing gas
The oxidation modification coke layer of taste；
The 4th filter element is provided with 4th filter, it is interior in the 4th filter element to be provided with for removing sulphur in gas
Change the depriving hydrogen sulphide modified coke layer of hydrogen.
2. device according to claim 1, it is characterised in that the bottom of first filter is provided with for by gas cloth
Enter to the air distribution plate in modified coke layer.
3. device according to claim 1, it is characterised in that be provided with back blow port at the top of first filter, it is described
The bottom of the first filter is provided with dust emission mouthful, and the back blow port is used for the dust that will be retained in first filter from institute
State discharge in dust emission mouthful.
4. it is a kind of remove gas in peculiar smell and hydrogen sulfide method, it is characterised in that comprise the following steps：
The gas that peculiar smell and hydrogen sulfide will be mixed with is passed through the first filter, using the interior modified coke layer for setting in the first filter element
Particulate matter in removal gas, and smell and moisture in partial adsorbates gas；
The gas for removing particulate matter is passed through the second filter, using in the interior alkaline modification coke layer for setting in the second filter element
With the acidic components in gas, and the further moisture in dry gas；
Gas in acidic components with after is passed through the 3rd filter, using the interior oxidation modification coke for setting in the 3rd filter element
Peculiar smell in layer oxidizing gas；
Gas after peculiar smell is aoxidized is passed through the 4th filter, is gone using the depriving hydrogen sulphide modified coke layer in the 4th filter element
Except the hydrogen sulfide in gas.
5. method according to claim 4, it is characterised in that the modified coke in the modified coke layer is by by Jiao
After charcoal is dipped in watery hydrochloric acid 1-3 hours under conditions of 30 DEG C -50 DEG C, neutrality is washed to, is obtained in 150 DEG C of -200 DEG C of drying.
6. method according to claim 4, it is characterised in that the alkaline modification coke in the alkaline modification coke layer is
By by calcium oxide and sodium carbonate by weight 1：1 mixing, and the emulsion of 10%-30% is configured to water, then to the breast
Modified coke is added in liquid, and when emulsion is adhered to completely on the modified coke, is obtained in 150 DEG C of -200 DEG C of drying.
7. method according to claim 4, it is characterised in that the oxidation modification coke in the oxidation modification coke layer is
By to the supersaturated aqueous solution that calcium hypochlorite is added in modified coke, after being sufficiently stirred for, being obtained in being dried at 50 DEG C -60 DEG C.
8. method according to claim 7, it is characterised in that the supersaturated aqueous solution of the calcium hypochlorite is modified with described
The liquid-solid ratio of coke is 0.1-0.2ml/g.
9. method according to claim 4, it is characterised in that the depriving hydrogen sulphide in the depriving hydrogen sulphide modified coke layer changes
Property coke be by modified coke add 20%-25% zinc acetate solutions, be sufficiently stirred for, in 100 DEG C -105 DEG C drying after,
10% acetic acid copper solution is sprayed to the modified coke surface again, then is dried, until precipitation has mantoquita on the modified coke.
10. method according to claim 9, it is characterised in that the zinc acetate solution is consolidated with the liquid of the modified coke
Than being 0.2-0.5ml/g, the 10% acetic acid copper solution is 0.1-0.2ml/g with the liquid-solid ratio of the modified coke.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111219314A (en) * | 2018-11-27 | 2020-06-02 | 斯凯孚公司 | Refrigerant lubricated bearing arrangement |
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| CN106031861A (en) * | 2015-03-19 | 2016-10-19 | 上海融熠投资管理有限公司 | Composite adsorbent |
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|---|---|---|---|---|
| WO1994000383A1 (en) * | 1992-06-26 | 1994-01-06 | Minnesota Mining And Manufacturing Company | Dual impregnated activated carbon |
| CN101293108A (en) * | 2007-04-26 | 2008-10-29 | 陈妙生 | Deodorizing method of hydrogen sulphide removing material and absorbent charcoal adsorption, and processing equipment |
| CN102284223A (en) * | 2011-06-14 | 2011-12-21 | 钟志杰 | Multifunctional indoor air purifier |
| CN106031861A (en) * | 2015-03-19 | 2016-10-19 | 上海融熠投资管理有限公司 | Composite adsorbent |
| CN106139844A (en) * | 2015-04-10 | 2016-11-23 | 张作保 | A kind of remove high concentration foul gas and the odor removal of VOC waste gas and method |
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| CN111219314A (en) * | 2018-11-27 | 2020-06-02 | 斯凯孚公司 | Refrigerant lubricated bearing arrangement |
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